-- Executing Dial("SIP/1009-405266f8", "Unicall/g1/1001") in new stack
    -- Called g1/1001
Jul  4 14:42:33 WARNING[950]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Dialing
Jul  4 14:42:36 WARNING[950]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Alerting
Jul  4 14:42:36 WARNING[950]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Connected
    -- UniCall/1-1 answered SIP/1009-405266f8
    -- Hungup 'UniCall/1-1'
  == Spawn extension (1009, 1001, 1) exited non-zero on 'SIP/1009-405266f8'
Jul  4 14:42:38 WARNING[854]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Drop call
Jul  4 14:42:38 WARNING[854]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Release call
    -- Unicall/1 released